wbrawner/openssl
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

Do HMAC.

Browse source
This commit is contained in:
Ben Laurie 2004-04-04 18:59:33 +00:00
parent 08198b1b5c
commit b452e706e3
1 changed files with 26 additions and 9 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

35
apps/dgst.c
View file

@ -66,6 +66,7 @@
#include <openssl/objects.h>
#include <openssl/x509.h>
#include <openssl/pem.h>
#include <openssl/hmac.h>
#undef BUFSIZE
#define BUFSIZE 1024*8
@ -73,9 +74,11 @@
#undef PROG
#define PROG dgst_main
static HMAC_CTX hmac_ctx;
int do_fp(BIO *out, unsigned char *buf, BIO *bp, int sep, int binout,
EVP_PKEY *key, unsigned char *sigin, int siglen, const char *title,
const char *file);
const char *file,const char *hmac_key);
int MAIN(int, char **);
@ -103,6 +106,7 @@ int MAIN(int argc, char **argv)
#ifndef OPENSSL_NO_ENGINE
char *engine=NULL;
#endif
char *hmac_key=NULL;
apps_startup();
@ -181,6 +185,12 @@ int MAIN(int argc, char **argv)
out_bin = 1;
else if (strcmp(*argv,"-d") == 0)
debug=1;
else if (!strcmp(*argv,"-hmac"))
{
if (--argc < 1)
break;
hmac_key=*++argv;
}
else if ((m=EVP_get_digestbyname(&((*argv)[1]))) != NULL)
md=m;
else
@ -235,7 +245,7 @@ int MAIN(int argc, char **argv)
}
#ifndef OPENSSL_NO_ENGINE
e = setup_engine(bio_err, engine, 0);
e = setup_engine(bio_err, engine, 0);
#endif
in=BIO_new(BIO_s_file());
@ -318,18 +328,18 @@ int MAIN(int argc, char **argv)
goto end;
}
}
/* we use md as a filter, reading from 'in' */
BIO_set_md(bmd,md);
if (hmac_key)
HMAC_Init(&hmac_ctx,hmac_key,strlen(hmac_key),md);
inp=BIO_push(bmd,in);
if (argc == 0)
{
BIO_set_fp(in,stdin,BIO_NOCLOSE);
err=do_fp(out, buf,inp,separator, out_bin, sigkey, sigbuf,
siglen,"","(stdin)");
siglen,"","(stdin)",hmac_key);
}
else
{
@ -347,14 +357,15 @@ int MAIN(int argc, char **argv)
}
if(!out_bin)
{
size_t len = strlen(name)+strlen(argv[i])+5;
size_t len = strlen(name)+strlen(argv[i])+(hmac_key ? 4 : 0)+5;
tmp=tofree=OPENSSL_malloc(len);
BIO_snprintf(tmp,len,"%s(%s)= ",name,argv[i]);
BIO_snprintf(tmp,len,"%s%s(%s)= ",
hmac_key ? "HMAC_" : "",name,argv[i]);
}
else
tmp="";
r=do_fp(out,buf,inp,separator,out_bin,sigkey,sigbuf,
siglen,tmp,argv[i]);
siglen,tmp,argv[i],hmac_key);
if(r)
err=r;
if(tofree)
@ -379,7 +390,7 @@ end:
int do_fp(BIO *out, unsigned char *buf, BIO *bp, int sep, int binout,
EVP_PKEY *key, unsigned char *sigin, int siglen, const char *title,
const char *file)
const char *file,const char *hmac_key)
{
int len;
int i;
@ -426,6 +437,12 @@ int do_fp(BIO *out, unsigned char *buf, BIO *bp, int sep, int binout,
return 1;
}
}
else if(hmac_key)
{
EVP_MD_CTX *ctx;
BIO_get_md_ctx(bp, &ctx);
HMAC_Final(&hmac_ctx,buf,&len);
}
else
len=BIO_gets(bp,(char *)buf,BUFSIZE);